默认题库 - 应急部署

单选题

What is NOT a characteristic of carbon dioxide fire-extinguishing agents?（）

A. Effective even if ventilation is not shut down
B. Will not deteriorate in storage
C. Non-corrosive
D. Effective on electrical equipment

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单选题

What is an advantage of using foam in fire fighting?（）

A. It is MOST effective on very hot oil fires where the temperatures of the liquid exceed 100°C (212°F)
B. Most foams can be used with dry chemicals to attack a fire by two methods
C. Foam is effective on combustible metal fires
D. Foam can be made with seawater or fresh water

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单选题

The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?（）

A fusible link will automatically open after a fire is extinguished and reset the damper
B. Fusible links must be replaced at every inspection for certification
C. Fusible links are tested by applying a source of heat to them
D. Fusible links must be replaced if a damper is activated

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单选题

Seeing that all hands are familiar with their duties，as specified in the muster list，is the responsibility of the（）.

A. Master
B. Chief Mate
C. safety officer
D. department head

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单选题

There are two disadvantages to CO₂ pump as a firefighting agent. One of these is the limited quantity available，and the other is（）.

A. the lack of cooling effect on heated materials
B. that it cannot be used in a dead ship situation with no electrical power to the CO<sub>2</sub> pump
C. that it breaks down under extreme heat to form poisonous gases
D. there is no effect on a class A fire even in an enclosed space

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单选题

The outlet at a fire hydrant may be positioned anywhere from horizontal to pointing（）.

A. 45°upward
B. vertically upward
C. vertically downward
D. all of the above

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单选题

The type of extinguisher which should be used for an electricity fire is（）.

A. foam or soda acid
B. dry chemical or foam
C. carbon dioxide or dry chemical
D. carbon dioxide or foam

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单选题

There is a fire aft aboard your vessel. To help fight the fire，you should（）.

A. put the wind off either beam
B. head the bow into the wind and decrease speed
C. put the stern into the wind and increase speed
D. put the stern into the wind and decrease speed

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单选题

To lubricate the swivel or remove corrosion from a fire hose coupling，you should use（）.

A. glycerine
B. graphite
C. kerosene
D. fresh water and soa

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单选题

Triethylene glycol fires may be extinguished by（）.

A. dry chemical
B. alcohol foam
C. carbon dioxide
D. All of the above

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What is NOT a characteristic of carbon dioxide fire-extinguishing agents?（）

What is an advantage of using foam in fire fighting?（）

The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?（）

Seeing that all hands are familiar with their duties，as specified in the muster list，is the responsibility of the（）.

There are two disadvantages to CO2 pump as a firefighting agent. One of these is the limited quantity available，and the other is（）.

The outlet at a fire hydrant may be positioned anywhere from horizontal to pointing（）.

The type of extinguisher which should be used for an electricity fire is（）.

There is a fire aft aboard your vessel. To help fight the fire，you should（）.

To lubricate the swivel or remove corrosion from a fire hose coupling，you should use（）.

Triethylene glycol fires may be extinguished by（）.

There are two disadvantages to CO₂ pump as a firefighting agent. One of these is the limited quantity available，and the other is（）.